ci: remove windows-arm64 build target

Author: lin.zhang

.github/workflows/build-fat-binaries.yml

@@ -27,9 +27,6 @@ jobs:
           - os: windows-2025
             python-version: "3.11"
             target: windows-x86_64
-          - os: windows-11-arm
-            python-version: "3.11"
-            target: windows-arm64
           - os: macos-14
             python-version: "3.11"
             target: macos-arm64
@@ -43,15 +40,6 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Pre-install ARM64 binary wheels (Windows ARM64)
-        if: matrix.target == 'windows-arm64'
-        shell: bash
-        run: |
-          # numpy<2.0 and pyarrow have no win_arm64 wheels on PyPI.
-          # Install compatible versions with pre-built wheels BEFORE the
-          # main dependency install so pip won't attempt source builds.
-          pip install --only-binary :all: "numpy>=2.0" "pyarrow>=15"
-
       - name: Install build dependencies
         shell: bash
         run: |
@@ -207,7 +195,6 @@ jobs:
           files: |
             dist/linux-x86_64/cz-cli-linux-x86_64.zip
             dist/windows-x86_64/cz-cli-windows-x86_64.zip
-            dist/windows-arm64/cz-cli-windows-arm64.zip
             dist/macos-arm64/cz-cli-macos-arm64.zip
             dist/skills/skills.tar.gz
             scripts/install.sh